Learn the best methods to format numbers with commas as thousands separators in JavaScript. Discover built-in Intl methods, regex patterns, and performance-optimized solutions for integers and floating-point numbers.
Learn JavaScript alternatives to C/PHP's printf() and C#/Java's String.Format(). Discover built-in Intl APIs, lightweight libraries like sprintf-js, and custom implementations for number formatting with thousand separators.
Learn how to format numbers as currency strings in JavaScript using Intl.NumberFormat, custom functions, and third-party libraries. Complete guide with examples for $2,500.00 format.
Configure ngx-mask 20.0.3 to auto insert decimal separator with leadZero property. Learn the key differences from version 7.0.0 and proper configuration for automatic number formatting.